4 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... Saturday night palsy ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the back of the arm ... arises from C5, C6 ... • Thus a PIN palsy ... Anatomy #diagnosis #neurology ... #orthopedics
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... Exceptions to this rule are ... CN 5,7 &12. ... #clinical #video ... #physicalexam #neurology